Every woman has her own opinion on that matter, but most women can pretty much agree on a few things. Of men's most pressing questions about femininity, "Can women really sync up?" seems to produce the most consensus. (Spoiler Alert: yes.)

Watch some mysteries be solved for a few men who may have been too scared to ask. So are men and women from totally different planets? Not really. But we would all sure have a better understanding of one another if we started asking more questions.

"A lot of adolescents get these 'blow out' periods, and they have no idea that they're too heavy -- or that there are things they can do to help control them," said McGuire. "They just assume that everyone's [period] is this way."
While having a heavy flow <em>is</em> relatively common (and most women tend to bleed more in the first few days), if you find yourself needing to change your pad or tampon more than every two to three hours, or if your period lasts longer than seven days, it's likely time to talk to a health care provider about your options. Hormonal birth control can help decrease the amount of flow a woman experiences, as can certain pain relievers. There's also a small chance that heavy flow is a sign of <a href="http://www.mayoclinic.com/health/menorrhagia/DS00394" target="_blank">menorrhagia</a>, a term used to define periods that are so intense, they keep a woman from doing her usual activities. The bottom line -- if you think your flow is abnormally heavy, ask!